Material 500 D Polyester doubled material on crash zones Safety YF knee protectors according to EN 1621-1:2012 (level 1) according to EN 17092-4:2020 Ventilation Air Vent: ventilation zips Comfort Humax® membrane: 100 % waterproof, 100 % windproof, breathable detachable thermo lining Other Features upgradable with hip protector SAS-TEC SC-1/07 or SC-1/KA